in. of snow closing interstate highways in kansas, oklahoma and the texas panhandle. >>pam: winds up to 70 mi. per hour pushed snow into drifts up to 10 ft. high. heavy snow temporarily shut down interstates 40, 70 and 25. the national weather service says travel and portions of five states ranges from difficult to impossible. the storm dumped snow over a 1,000 mi. area and in some areas, visibility dropped to less than one-quarter mile. the whiteout conditions have been blamed for at least six deaths. two of them in colorado off when an inmate and a guard were killed in the crash of a prison van. the blizzard did have an outside. farmers in oklahoma and texas welcome to this note after a yearlong weather drought. >>pam: what does all this crazy weatherman for holiday travel at local airports? dan kerman is joining us live from sfo. >>dan: so far, so good. the good news is those storms they were just talking about have had no impact at sfo. many of the flights are arriving early. >>dan: at sfo on tuesday, the weather could not have been nicer despite weather elsewhere. flights were d